Wednesday marks the 14th anniversary of the Columbia Space Shuttle disaster, in which seven astronauts lost their lives as the craft broke up during reentry on February 1, 2003. Mark Kelly, a retired astronaut and the brother of astronaut Scott Kelly— both of whom are known for NASA’s Twin Study— took to Twitter to commemorate the tragic anniversary. “Remembering the 7 astronauts lost aboard Columbia 14 years ago today,” he wrote. “They were brave explorers and really good people.”The Columbia Shuttle was the second time the space agency lost a vehicle in a catastrophic accident: the first, of course, was Challenger, in 1986. Remembering the 7 astronauts lost aboard Columbia 14 years ago today.

Source: Fox News February 01, 2017 21:56 UTC